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How can probe tack of an SIS (styrene-isoprene-styrene) based pressure-sensitive adhesives (PSAs) be improved?

April 26, 2017adhesives based pressure-sensitive probe psas SIS styrene-isoprene-styrene tack

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How can probe tack of an SIS (styrene-isoprene-styrene) based pressure-sensitive adhesives (PSAs) be improved?

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Lab work has found that probe tack of SIS based PSAs is primarily a direct linear function of tackifier concentration (higher tackifier = higher probe tack) and inversely related (more oil = reduced probe tack) to plasticizing oil concentration.